<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页页面</title>
</head>
<body>
<table border="1" width="100%" cellspacing="0" cellpadding="0" align="center">
    <tr><!--<th>标签⽤于定义表头。单元格内的内容默认居中、加粗-->
        <td colspan="3" bgcolor="#ddd"><img src="img\logo.png"width="200px" height="200px" /></td>
    </tr>
    <tr>
        <td>4</td>
        <td>5</td>
        <td>6</td>
    </tr>
    <tr>
        <td>7</td>
        <td>8</td>
        <td>9</td>
    </tr>
</table>
</body>
</html>